CN104210445B - A kind of heavy wrecker truck ramp operation safety monitoring system - Google Patents
A kind of heavy wrecker truck ramp operation safety monitoring system Download PDFInfo
- Publication number
- CN104210445B CN104210445B CN201410178656.2A CN201410178656A CN104210445B CN 104210445 B CN104210445 B CN 104210445B CN 201410178656 A CN201410178656 A CN 201410178656A CN 104210445 B CN104210445 B CN 104210445B
- Authority
- CN
- China
- Prior art keywords
- signal
- micro controller
- sensor
- controller system
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of heavy wrecker truck ramp operation safety monitoring system, comprise signal acquisition module, signal processing module, data communication module, micro controller system and human-computer interaction intelligent instrument; The signal collected is converted to standard voltage signal that micro controller system can identify by signal acquisition module or TTL impulse singla is connected with micro controller system with data communication module by signal processing module, the signal processed is passed to human-computer interaction intelligent instrument by CAN communication module by micro controller system, and monitor data and alerting signal are shown to chaufeur by human-computer interaction intelligent instrument.Security parameters in driving process can be monitored in real time and report to the police by actv., the intellectuality of heavy wrecker truck operational process, visual can be realized, meet driving safety and stability requirement, effectively raise heavy wrecker truck ramp safety in operation.
Description
Technical field
The present invention relates to field of vehicle safety, be specifically related to a kind of heavy wrecker truck ramp operation safety monitoring system, this system is applicable to multiple heavy wrecker truck, has good commonality.
Background technology
Along with the fast development of China Transportation Industry, highway freight ton-kilometerage volume rapid growth, according to investigations, within 2011, highway in China turnover of freight traffic reaches 19801.51 hundred million ton-kilomiter.Highway goods transportation also brings traffic safety problem while making tremendous contribution to China Transportation Industry.According to statistics, end China's number of freight cars on hand in 2013 and reach more than 1,900 ten thousand, account for 7.8% of vehicle guaranteeding organic quantity, but the death toll that truck accident causes is up to 128621 people, accounts for 28% of traffic accidents kill sum.Therefore solving T-traffic safety problem is one of main path reducing the dead quantity of traffic accident.
In T-traffic accident, the particularly serious serious accident of the group that mountain highway traffic accident causes dead group wound is particularly serious.The statistics of mountain highway traffic accident shows, the T-traffic accident of 64.31% causes due to automobile primary misfunctioning of brake or partial failure.China's mountain highway is for solving heavy wrecker truck long and steep downgrade safety issue, and the solution usually adopted is trickle method and builds emergency lane method.Trickle method also exists the defects such as ground freezes, brake wheel be full of cracks, brake shoe brake cheek serious wear; The building of emergency lane affects comparatively large by geographical environment, and manufacture and maintenance cost high.Therefore designing a kind of safety monitoring system for solving misfunctioning of brake when heavy wrecker truck ramp is run, having important practical significance to reduction T-traffic accident rate.
Summary of the invention
The object of the invention is to, there is provided a kind of for heavy wrecker truck ramp operation safety monitoring system, security parameters in vehicle travel process can be monitored in real time and reports to the police by actv., the intellectuality of heavy wrecker truck operational process, visual can be realized, meet the requirement of vehicle operating safety and stability, effectively raise heavy wrecker truck ramp safety in operation.
In order to realize above-mentioned task, the present invention takes following technical solution:
A kind of heavy wrecker truck ramp operation safety monitoring system, is characterized in that, comprise signal acquisition module, signal processing module, data communication module, micro controller system and human-computer interaction intelligent instrument; Wherein:
Described signal acquisition module is made up of temperature sensor, pressure sensor, angular transducer, displacement pickup, pedal force sensor, acceleration pick-up, speed sensor;
Described signal processing module is temperature signal regulation circuit, analog signal conditioner circuit and TTL signal conditioning circuit, wherein, temperature signal regulation circuit is connected with temperature sensor, analog signal conditioner circuit is connected with pressure sensor, angular transducer, displacement pickup, pedal force sensor, acceleration pick-up, and TTL signal conditioning circuit is connected with speed sensor;
Described data communication module is the CPU and wireless transport module that are connected with temperature signal regulation circuit;
The signal collected is converted to standard voltage signal that micro controller system can identify by signal acquisition module or TTL impulse singla is connected with micro controller system with data communication module by signal processing module, the signal processed is passed to human-computer interaction intelligent instrument by CAN communication module by micro controller system, and monitor data and alerting signal are shown to chaufeur by human-computer interaction intelligent instrument.
Heavy wrecker truck ramp of the present invention operation safety monitoring system, be made up of parts such as signal acquisition module, signal processing module, data communication module and human-computer interaction intelligent instrument, security parameters in driving process monitored in real time and reports to the police, improve heavy wrecker truck ramp safety in operation.Have the following advantages:
(1) better stability and accuracy.Shown by related experiment result, the error of this system, lower than 1.5%, has good stability and accuracy.
(2) easy to operate, devise the human-computer interaction intelligent instrument that chaufeur is special, can and alarm, remind steerman to take necessary expeditious measures, improve the safety of heavy wrecker truck ramp driving.
(3) reliability is high, has good electromagnetic compatibility, can bear vibrations, noise, high temperature, humidity, impact simultaneously.
(4) with low cost, the various device adopted and material are common type, and all available on common market, cost of manufacture is low, and after batch manufacturing, cost will be lower.
(5) commonality is good, and this heavy wrecker truck ramp operation safety monitoring system is applicable to multiple heavy wrecker truck.
(6) integrated level is high, has used a large amount of chip, has had very high integration.
(7) be convenient to propagation and employment, this heavy wrecker truck ramp operation safety monitoring system can be installed under the prerequisite not changing heavy wrecker truck original structure, is conducive to large-scale promotion application.
Accompanying drawing explanation
Fig. 1 is the hardware design block scheme of heavy wrecker truck ramp operation safety monitoring system;
Fig. 2 is MAX6675 and FreescaleS12 micro controller system pin connection diagram;
Fig. 3 is analog signals modulate circuit schematic diagram;
Fig. 4 is vehicle speed signal modulate circuit schematic diagram;
Fig. 5 is temperature survey wireless transport module schematic diagram;
Fig. 6 is CAN communication modular circuit schematic diagram;
Fig. 7 is the main interface of man-machine interaction monitoring system;
Fig. 8 is brake temperature alarm display interface;
Fig. 9 is dynamic monitoring interface;
Figure 10 is temperature signal collection transmitter module software flow pattern;
Figure 11 is temperature signal receiving processing module software flow pattern.
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Detailed description of the invention
See Fig. 1, the present embodiment provides a kind of heavy wrecker truck ramp operation safety monitoring system, comprises hardware design and Software for Design two part composition.
Hardware design part comprises: signal acquisition module, signal processing module, data communication module, micro controller system and human-computer interaction intelligent instrument; Wherein:
Signal acquisition module is made up of temperature sensor, pressure sensor, angular transducer, displacement pickup, pedal force sensor, acceleration pick-up, speed sensor;
Signal processing module is temperature signal regulation circuit, analog signal conditioner circuit and TTL signal conditioning circuit, wherein, temperature signal regulation circuit is connected with temperature sensor, analog signal conditioner circuit is connected with pressure sensor, angular transducer, displacement pickup, pedal force sensor, acceleration pick-up, and TTL signal conditioning circuit is connected with speed sensor;
Data communication module is the CPU and wireless transport module that are connected with temperature signal regulation circuit;
The signal collected is converted to standard voltage signal that micro controller system can identify by signal acquisition module or TTL impulse singla is connected with micro controller system with data communication module by signal processing module, the signal processed is passed to human-computer interaction intelligent instrument by CAN communication module by micro controller system, and monitor data and alerting signal are shown to chaufeur by human-computer interaction intelligent instrument.
In the present embodiment, micro controller system selects FreescaleMC9S12DG128B micro controller system.
Temperature signal regulation circuit selects K type thermocouple as temperature sensor, and precision is ± 0.75%, and range is 0 DEG C-800 DEG C, the output signal of simulation 0-3.3V; And select MAX6675K type thermocouple conversion chip to realize temperature compensating, non-linear modification of signals, signal amplification, remove noise and A/D conversion.
Pressure sensor selects HPD503 pressure transformer, and its precision is ± 0.1%, and range is 1-150KPa, the output signal of simulation 0-5V.
SCA61T obliquity sensor selected by angular transducer, and its precision is ± 0.1%, and range is-15 ° ~+15 °, the output signal of simulation 0-4V.
ZLDS100 laser displacement sensor selected by displacement pickup, and its precision is ± 0.01%, and range is 0-200mm, the output signal of simulation 0-2.5V.
Pedal force sensor selects XFL212R micro-force sensor, and its precision is ± 0.5%, and range is 0-50N, the output signal of simulation 0-0.1V.
Acceleration pick-up selects MMA7361LC acceleration pick-up, and its precision is ± 0.5%, and range is-6g-6g, the output signal of simulation 0-3V.
Vehicle speed signal modulate circuit selects DG111 magnetoelectric tachometric transducer, and its precision is 1%, and range is 0-6000r/min, exports the sinusoidal signal of 0-0.4V.
Analog signal conditioner circuit adopts and forms zeroing circuit by resistance R66, R67, R68, the low-pass filter be made up of first order op amp and resistance-capacitance network and the sign-changing amplifier be made up of second stage op amp.
Data communication mould is the CPU and wireless transport module that are connected with temperature signal regulation circuit; The wireless receiving module that wherein wireless transport module is made up of NewMsg_RF2401 wireless transmitter module and D/A conversion chip AD5320 forms;
CAN communication module is primarily of CAN controller and CAN transceiver two large divisions composition, the MC9S12DG128B micro controller system adopted is built-in with CAN communication controller, support CAN2.0A/B agreement, the PCA82C250 chip that CAN transceiver adopts Philips company to produce.
Character and the amplitude of the sensor signal collected due to signal acquisition module are different, therefore in order to these signals being converted to 0-5V voltage signal or the TTL impulse singla of standard, devise signal processing module.Standard signal is transferred to micro controller system by signal processing module, and micro controller system transfers data to intelligent instrument by data communication module after process and computing, and monitor data is shown to chaufeur by intelligent instrument; Meanwhile, when occurring dangerous situation, intelligent instrument can remind steerman to take necessary safety measure, with the generation tried to forestall traffic accidents.
See Fig. 2, in temperature signal regulation circuit, MAX6675 and FreescaleS12 micro controller system pin connects, and T-connects K type thermocouple negative pole, is connected during use with GND; T+ connects K type thermocouple positive pole; SO connects serial ports mouth; CS is chip selection signal end, Low level effective; SCK is input end of clock; VCC connects+5V power supply; GND ground connection; NC is unsettled.
See Fig. 3, in analog signal conditioner circuit, resistance R66, R67, R68 form zeroing circuit, and first order op amp and resistance-capacitance network constitute low-pass filter; Second stage op amp is sign-changing amplifier.By regulating the resistance of slide rheostat R66 can zero point of conditioning signal modulate circuit, by regulating the resistance of slide rheostat R65 can the magnification factor of conditioning signal modulate circuit.By regulating the resistance of R66 and R65 to realize output voltage for 0-5V.
See Fig. 4, in car speed sensor signal conditioning circuit, the sinusoidal signal that car speed sensor exports, first peak clipping is carried out through diode D81 and D82, then LM319 comparator and 74LS14 Schmidt trigger is adopted to convert the signal into TTL impulse singla, input MC9S12DG128B micro controller system, obtains vehicle speed value after process as calculated.
See Fig. 5, convert the break drum temperature analog signals that the K type thermocouple through MAX6675 compensating approach collects to digital quantity signal in wireless transport module and send to FreescaleS12 micro controller system, FreescaleS12 micro controller system by SPI communication by the data transmission that collects to NewMsg_RF2401 wireless transmitter module, data are launched with 1Mbps two-forty by NewMsg_RF2401 wireless transmitter module under ShockBurstTM transceiver mode; Central processing module (CPU) receives the data of transmitter module transmitting by NewMsg_RF2401 wireless receiving module, receiver module converts digital quantity to analog quantity by D/A conversion chip AD5320 and transfers to FreescaleS12 single chip computer AT D module, obtain break drum temperature after treated calculating, realize the real-time monitoring to break drum temperature.
In the present embodiment, the NewMsg_RF2401 module selected has four kinds of mode of operations: configuration mode, transceiver mode, idle pulley and shutdown mode, and the selection of mode of operation is determined by PWR_UP, CE and CS tri-pins.NewMsg_RF2401 mode of operation is as shown in table 1.When sending data, CE according to sequential write NewMsg_RF2401 module buffer area, is set to high level by data by micro controller system, now wireless sending module work in the transceiver mode, transmitting data after time delay a period of time; Under answer-mode, NewMsg_RF2401 module enters receiving mode after transmitting data, receives acknowledge signal.If receive response, then think and this time communicate successfully, TX_DS sets high, and TX_PLD removes from transmission storehouse simultaneously; If do not receive response, send unsuccessfully, and record and send failed number of times, automatically transmitting data again.
When receiving data, first NewMsg_RF2401 is configured, make receiving end address consistent with transmitting terminal address, then CE is set to high level, under now wireless receiving module is operated in wait-receiving mode pattern, after receiving the data packet comprising correct address, transfer data to upper computer and send acknowledge signal to transmitter module simultaneously.
Table 1NewMsg_RF2401 mode of operation table
| Mode of operation | PWR_UP | CE | CS |
| Configuration mode | 1 | 0 | 1 |
| Transceiver mode | 1 | 1 | 0 |
| Idle pulley | 1 | 0 | 0 |
| Shutdown mode | 0 | × | × |
See Fig. 6, in CAN communication modular circuit, FreescaleS12 micro controller system receives the signal such as temperature, pressure, the gradient, the speed of a motor vehicle, pedal displacement, treadle effort, ambient temperature and humidity collected, be transferred to intelligent instrument by CAN after treatment, realize the real-time monitoring to heavy freight car braking safety indexes, display and warning function.CAN communication module is primarily of CAN controller and CAN transceiver two large divisions composition.When sending out data, the differential level that CAN transceiver becomes antijamming capability strong the logic level transition of CAN controller, then sends data to CAN; When receiving data, CAN transceiver converts logic level to after receiving the signal of CAN, is transferred to CAN controller, realizes DRP data reception process.Selected MC9S12DG128B micro controller system is built-in with CAN communication controller, supports CAN2.0A/B agreement.The PCA82C250 chip that CAN transceiver adopts Philips company to produce.Voltage fluctuation in order to avoid CAN communication system affects the normal work of micro controller system, adopts Phototube Coupling power supply DCP5S3-100 to isolate microcontroller power supply and CAN communication system power supply; In order to strengthen the antijamming capability of CAN node, use high speed photo coupling 6N137 realizes the electrical isolation in bus between each node, uses BO505-W25 type DC/DC module to realize the isolated from power at optocoupler two ends simultaneously.
The present embodiment has designed and developed the monitored control system interface based on MCGS Embedded Configuration Software, select the refreshed built-in type integrated industrial control computer TCP7062K in the Kunlun, Beijing as read out instrument, utilize the four-wire resistance type touch screen technology of this device to achieve human-computer interaction function simultaneously, thus enable monitor data and alerting signal pass to chaufeur quickly and easily.
Human-computer interaction intelligent instrument adopts and designs and develops based on the interface of MCGS Embedded Configuration Software to monitored control system, comprise main interface, dynamic monitoring, real time data, braking force and brake temperature interface and history curve interface, achieve brake temperature, master brake cylinder pressure, pressure of wheel cylinder, brake-pipe pressure, braking deceleration, the gradient, the speed of a motor vehicle, brake pedal displacement, brake pedal force, the Real-Time Monitoring of the information such as ambient temperature and the inquiry of historical data function, too high or the master brake cylinder at brake temperature simultaneously, wheel cylinder and brake-pipe pressure too low time and alarm, steerman is reminded to take necessary expeditious measures, ensure heavy wrecker truck descent driving safety.
See Fig. 7, the main interface of human-computer interaction intelligent instrument is for showing the speed of a motor vehicle, brake pedal aperture, rate of braking, braking deceleration, stopping distance, ambient temperature and security alarm information.When alarm lamp flicker, buzzer phone ring, chaufeur enters alarm condition display interface by touching the corresponding button, obtains detailed alarm message.This interface is the interface that in heavy wrecker truck operation safety monitoring system, frequency of utilization is the highest, displaying contents is the abundantest.
See Fig. 8, brake temperature alarm display interface for showing the temperature of an axle, two axles, three axles, four axle left and right drgs, and exceedes upper limit alarm in its temperature.
See Fig. 9, dynamic monitoring interface is for showing the force value of master brake cylinder, brake wheel cylinder and brake piping, and chaufeur can enter the history curve interface of braking force size and brake temperature by touching the corresponding button, realize history data store function.
Software for Design particular content is as follows:
Mainly temperature signal collection transmitter module software and receiving processing module software are designed.Software system, according to the operational process of monitored control system operation status control system, adopt the reliability of modular design guarantee software, Effec-tive Function and maintainability.
Temperature signal collection transmitter module Software for Design diagram of circuit see Figure 10, Figure 10.Temperature signal collection transmitter module mainly realizes the initialization of FreescaleS12, MAX6675 and NewMsg_RF2401, temperature signal collection and the function such as calibration, the transmission of temperature digital amount signal.When temperature signal collection module is run, when CS becomes 0 from 1, to FreescaleS12 micro controller system output temperature digital quantity signal under the effect of clock SCK; When CS becomes 1 from 0, under the effect of clock SCK, MAX6675 carries out temperature signal conversion.When temperature signal sending module runs, CE by SPI serial port write buffer area, is then put 1, emission temperature digital quantity signal after time delay according to sequential by 12 two scale notation temperature digital amount signals that MAX6675 exports by FreescaleS12 micro controller system.
Temperature signal receiving processing module Software for Design diagram of circuit see Figure 11, Figure 11.Temperature signal receiving processing module mainly realizes the initialization of FreescaleS12, NewMsg_RF2401 and AD5320, temperature signal receives, the conversion of temperature digital amount signal, process and Presentation Function.When temperature signal receiving processing module runs, NewMsg_RF2401 is set to receiving mode by FreescaleS12 micro controller system, after FreescaleS12 micro controller system receives data packet, address check is carried out to data packet, judge which break drum temperature sensor temperature data comes from according to different addresses, realize many-to-one temperature sensor receive mode, CRC data check is carried out after address check, to realize the accuracy transmitting data, then temperature digital amount signal is sent to AD5320 analog-digital chip, digital quantity signal is converted to analog signals, then analog signals is sent to FreescaleS12 micro controller system, MCGS intelligent instrument is sent to by CAN as calculated after process, intelligent instrument realizes display and warning function in real time.
Claims (4)
1. a heavy wrecker truck ramp operation safety monitoring system, comprises signal acquisition module, signal processing module, data communication module, micro controller system and human-computer interaction intelligent instrument; It is characterized in that:
Described signal acquisition module is made up of temperature sensor, pressure sensor, angular transducer, displacement pickup, pedal force sensor, acceleration pick-up, speed sensor;
Described signal processing module is temperature signal regulation circuit, analog signal conditioner circuit and TTL signal conditioning circuit, wherein, temperature signal regulation circuit is connected with temperature sensor, analog signal conditioner circuit is connected with pressure sensor, angular transducer, displacement pickup, pedal force sensor, acceleration pick-up, and TTL signal conditioning circuit is connected with speed sensor;
Described data communication module is the CPU and wireless transport module that are connected with temperature signal regulation circuit;
The signal collected is converted to standard voltage signal that micro controller system can identify by signal acquisition module or TTL impulse singla is connected with micro controller system with data communication module by signal processing module, the signal processed is passed to human-computer interaction intelligent instrument by CAN communication module by micro controller system, and monitor data and alerting signal are shown to chaufeur by human-computer interaction intelligent instrument.
2. heavy wrecker truck ramp as claimed in claim 1 operation safety monitoring system, it is characterized in that, the model of described micro controller system selects FreescaleMC9S12DG128 micro controller system.
3. heavy wrecker truck ramp as claimed in claim 1 operation safety monitoring system, it is characterized in that, described temperature sensor selects K type thermocouple temperature sensor, pressure sensor selects HPD503 pressure transformer, SCA61T obliquity sensor selected by angular transducer, ZLDS100 laser displacement sensor selected by displacement pickup, pedal force sensor selects XFL212R micro-force sensor, acceleration pick-up selects MMA7361LC acceleration pick-up, and DG111 magnetoelectric tachometric transducer selected by speed sensor.
4. heavy wrecker truck ramp as claimed in claim 1 operation safety monitoring system, it is characterized in that, described human-computer interaction intelligent instrument adopts and designs and develops based on the interface of MCGS Embedded Configuration Software to monitored control system, comprises main interface, dynamic monitoring, real time data, braking force and brake temperature interface and history curve interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178656.2A CN104210445B (en) | 2014-04-29 | 2014-04-29 | A kind of heavy wrecker truck ramp operation safety monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410178656.2A CN104210445B (en) | 2014-04-29 | 2014-04-29 | A kind of heavy wrecker truck ramp operation safety monitoring system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104210445A CN104210445A (en) | 2014-12-17 |
| CN104210445B true CN104210445B (en) | 2016-02-24 |
Family
ID=52092488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410178656.2A Expired - Fee Related CN104210445B (en) | 2014-04-29 | 2014-04-29 | A kind of heavy wrecker truck ramp operation safety monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104210445B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104601718B (en) * | 2015-01-30 | 2018-05-25 | 西华大学 | The remote real-time monitoring method and monitoring system of motor bus operating status, fuel consumption and exhaust emissions |
| CN105172714A (en) * | 2015-09-29 | 2015-12-23 | 成都艾维拓思科技有限公司 | Remote monitoring system for motor vehicle |
| CN105446391A (en) * | 2015-12-07 | 2016-03-30 | 长安大学 | Temperature rise prediction method for long downgrade driving brake for lorry |
| CN106094630A (en) * | 2016-06-30 | 2016-11-09 | 南京中车浦镇城轨车辆有限责任公司 | A kind of rail vehicle debugging signal automatic acquisition device |
| CN106525318B (en) * | 2016-12-16 | 2022-07-01 | 山东金洲科瑞节能科技有限公司 | Bus type pressure measuring device |
| CN109624710A (en) * | 2018-12-18 | 2019-04-16 | 上海亿善电子有限公司 | A kind of full liquid crystal instrument system of the intelligence of automobile |
| CN112346621A (en) * | 2019-08-08 | 2021-02-09 | 北京车和家信息技术有限公司 | Virtual function button display method and device |
| CN217892812U (en) * | 2021-10-19 | 2022-11-25 | 北京车和家汽车科技有限公司 | Vehicle control system and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101995838A (en) * | 2009-08-21 | 2011-03-30 | 钱进 | SMS-based singlechip wireless monitoring system |
| CN202608704U (en) * | 2012-05-10 | 2012-12-19 | 广东好帮手电子科技股份有限公司 | Automotive head-up display system based on OBD (ON-Board Diagnostics) interface |
| CN202721706U (en) * | 2012-07-30 | 2013-02-06 | 北京汽车股份有限公司 | Vehicle-mounted network system and automobile |
| CN203274875U (en) * | 2013-03-06 | 2013-11-06 | 山东交通学院 | CAN bus based automobile axle weight detecting instrument |
| JP5387028B2 (en) * | 2009-02-13 | 2014-01-15 | 日本精工株式会社 | Vehicle control device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005335607A (en) * | 2004-05-28 | 2005-12-08 | Calsonic Kansei Corp | In-vehicle instrument control system and master device of on-vehicle network |
-
2014
- 2014-04-29 CN CN201410178656.2A patent/CN104210445B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5387028B2 (en) * | 2009-02-13 | 2014-01-15 | 日本精工株式会社 | Vehicle control device |
| CN101995838A (en) * | 2009-08-21 | 2011-03-30 | 钱进 | SMS-based singlechip wireless monitoring system |
| CN202608704U (en) * | 2012-05-10 | 2012-12-19 | 广东好帮手电子科技股份有限公司 | Automotive head-up display system based on OBD (ON-Board Diagnostics) interface |
| CN202721706U (en) * | 2012-07-30 | 2013-02-06 | 北京汽车股份有限公司 | Vehicle-mounted network system and automobile |
| CN203274875U (en) * | 2013-03-06 | 2013-11-06 | 山东交通学院 | CAN bus based automobile axle weight detecting instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104210445A (en) | 2014-12-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104210445B (en) | A kind of heavy wrecker truck ramp operation safety monitoring system | |
| CN203981255U (en) | A kind of vehicle-mounted weighing system | |
| CN205664920U (en) | Modular whole car weighing apparatus weighing system | |
| CN202420552U (en) | Detection platform for automobile meter assembly adopting CAN bus interface | |
| CN205003851U (en) | Car drive state monitored control system based on GPRS wireless location | |
| CN1648960A (en) | Automobile tyre air pressure on-line monitor and its on-line monitoring method | |
| CN104006870A (en) | Concurrent dynamic scale and weighing method thereof | |
| CN102890858A (en) | Remote monitoring system for bus energy consumption | |
| CN104075832B (en) | A kind of sensor construction for Wheel axle identifier, axle identification method and system | |
| CN2934193Y (en) | High-lift operation car hopper weight-limiting control system | |
| CN2806206Y (en) | Apparatus for on-line monitoring pressure of automobile tyre | |
| CN203231805U (en) | Electronic automobile scale based on CANopen | |
| CN207335851U (en) | A kind of intelligent truck vehicle type recognition device | |
| CN107796641A (en) | City railway vehicle is drawn and the synchronous test system and method for braking ability | |
| CN104535076B (en) | Antiskid device mileage accumulation method | |
| CN207335852U (en) | Infrared laser spindle-type identifier | |
| CN201140715Y (en) | Safe driving apparatus of motorcycle | |
| CN204154373U (en) | A kind of highway or bridge transfinite to network and administer terminal system | |
| CN201289368Y (en) | Apparatus for measuring automobile vehicle body and chassis data | |
| CN103926084B (en) | Car intensity and giving fatigue pre-warning method and early warning system | |
| CN203798436U (en) | CAN-bus-based vehicle-mounted weighing device | |
| CN203561417U (en) | Four-weighing-platform road vehicle weighing system applicable to coupling type vehicles | |
| CN203350666U (en) | Multi-information detection and fusion device based on OPC technology | |
| CN205138615U (en) | A shaft recognition device for intelligent dynamic weighing system | |
| CN206039796U (en) | Vehicle driving state monitored control system based on wireless location |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20170429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |